changing github action filename

Author: stankut

.github/workflows/release-deploy-test-os2forms.yml renamed to .github/workflows/main.yml

@@ -1,7 +1,7 @@
 name: Deploy release to test.os2forms.dk
 on:
   release:
-    types: [created, published, prereleased, edited]
+    types: [published]
 jobs:
 
   build: